src/antlr/TokenStreamBasicFilter.hpp

#ifndef INC_TokenStreamBasicFilter_hpp__
#define INC_TokenStreamBasicFilter_hpp__

/* ANTLR Translator Generator
 * Project led by Terence Parr at http://www.jGuru.com
 * Software rights: http://www.antlr.org/license.html
 *
 * $Id: TokenStreamBasicFilter.hpp,v 1.1 2005-12-02 15:38:02 tim Exp $
 */

#include <antlr/config.hpp>
#include <antlr/BitSet.hpp>
#include <antlr/TokenStream.hpp>

#ifdef ANTLR_CXX_SUPPORTS_NAMESPACE
namespace antlr {
#endif

/** This object is a TokenStream that passes through all
 *  tokens except for those that you tell it to discard.
 *  There is no buffering of the tokens.
 */
class ANTLR_API TokenStreamBasicFilter : public TokenStream {
        /** The set of token types to discard */
protected:
        BitSet discardMask;

        /** The input stream */
protected:
        TokenStream* input;

public:
        TokenStreamBasicFilter(TokenStream& input_);

        void discard(int ttype);

        void discard(const BitSet& mask);

        RefToken nextToken();
};

#ifdef ANTLR_CXX_SUPPORTS_NAMESPACE
}
#endif

#endif //INC_TokenStreamBasicFilter_hpp__
Revision:	2469
Committed:	Fri Dec 2 15:38:03 2005 UTC (18 years, 7 months ago) by tim
File size:	1040 byte(s)
Log Message:	End of the Link --> List Return of the Oject-Oriented replace yacc/lex parser with antlr parser
#	Content
1	#ifndef INC_TokenStreamBasicFilter_hpp__
2	#define INC_TokenStreamBasicFilter_hpp__
3
4	/* ANTLR Translator Generator
5	* Project led by Terence Parr at http://www.jGuru.com
6	* Software rights: http://www.antlr.org/license.html
7	*
8	* $Id: TokenStreamBasicFilter.hpp,v 1.1 2005-12-02 15:38:02 tim Exp $
9	*/
10
11	#include <antlr/config.hpp>
12	#include <antlr/BitSet.hpp>
13	#include <antlr/TokenStream.hpp>
14
15	#ifdef ANTLR_CXX_SUPPORTS_NAMESPACE
16	namespace antlr {
17	#endif
18
19	/** This object is a TokenStream that passes through all
20	* tokens except for those that you tell it to discard.
21	* There is no buffering of the tokens.
22	*/
23	class ANTLR_API TokenStreamBasicFilter : public TokenStream {
24	/** The set of token types to discard */
25	protected:
26	BitSet discardMask;
27
28	/** The input stream */
29	protected:
30	TokenStream* input;
31
32	public:
33	TokenStreamBasicFilter(TokenStream& input_);
34
35	void discard(int ttype);
36
37	void discard(const BitSet& mask);
38
39	RefToken nextToken();
40	};
41
42	#ifdef ANTLR_CXX_SUPPORTS_NAMESPACE
43	}
44	#endif
45
46	#endif //INC_TokenStreamBasicFilter_hpp__